The Effect Of Different Sowing Dates on Seed Yield Characteristics Of Phacelia (Phacelia tanacetifolia Bentham) in Spring Sowing Period

The aim of this research is to determine the most suitable dates for seed production of phacelia in Bartin province and similar ecology in spring sowing period. The study was arranged in completely randomized block with three replications in Akmanlar village of Bartin. Acording to the results it was obtained that the highest seed yield was 96 kg da(-1), the highest harvest index was 5.92 \% and the highest thousand kernel weight was 1.65 g in 1 March sowing date aplication. The highest biolocigal yield and hay yield were obtained from 1 March, 15 March and 1 April sowing date aplications. It is suggested that sowing for seed cultivation of phacelia should be made without delay between the begining of march and begining of april based on climate contidions in spring